Professional Technology Blog At Perfectjammer

The mobile phone signal jammer is to better effectively avoid and affect the relevant data signals on the mobile phone, mainly using the campus test room, prison, detention center, etc., in order to ensure the fairness and reasonableness of the test, the junior high school, high school, this year’s college entrance examination or the usual […]

Everyone has heard or understood that cell phone jammers have been around for a long time. The original purpose of cell phone jammer was mainly for police and national defense applications. In the military, interceptors are used to block communications from adversaries. Police can use cell phone jammers to avoid communication with criminal suspects and avoid terrorist […]

A simple example. At this stage, most colleges and universities have installed cell phone jammer. On the one hand, it is to better prevent students from looking at their mobile phones. When cheating with other electronic devices, it is very important for students to cultivate the habit of honesty and trustworthiness, which is very important to […]

In addition, there are many or even a large number of mobile cell phone jammer that I use. Many people feel weird, why do I use a cell phone jammer? Why do people have to get these devices that are actually very expensive? But it is not difficult to understand that everyone has the right to protect […]

If someone is listening to a cell phone jammer, you will have a negative first impression. Why on earth would anyone want to cut off a cell phone user’s communications? In fact, there are many reasons to consider using a cell phone jammer— and in different settings. In schools and universities, cell phone screens are especially […]

If you’re a teacher or student tired of other students chattering on their phones during class, a cell phone blocker in the classroom might be just what you need. With these devices, you can stop talking instantly, prevent students from cheating on exams, and avoid class interruptions due to cell phones ringing or buzzing. To […]

Now, mobile phone jammer devices are being transformed into civilian products rather than electronic warfare devices, because as the number of mobile phone users increases, there is a need to disable phones in specific locations where the phone’s ringing is damaged. These include places of worship, university lecture rooms, libraries, concert halls, meeting rooms and […]

In short, they randomly emit static or noise over a wide range of frequencies such a device cannot connect to the connection it should. It’s like sitting next to the engine of a sports car, opening the hood, and talking to someone on the phone. The localized noise becomes too strong for the device to […]

The rapid development of mobile wireless networks has greatly prompted people’s quality of life and work, but mobile phones will also bring some side effects to people and become increasingly apparent. The reasons for the insecurity of mobile phones are mainly reflected in: public security, organs, factories, institutions, school examination rooms, and other important secret-related […]

At present, all mobile phones on the market are digital wireless signals, and the anti-interference ability of digital wireless signals is very strong. If the analog signal scheme is used to interfere with digital wireless signals, the actual effect is very poor. Therefore, digital signals must be used to interfere with digital wireless signals. Compared […]

There are many kinds of products in the domestic electronic mobile cell phone jammer sales market, and the brands are also showing a situation of blooming. Our company now has a strong technical experience guarantee, and is also constantly improving and independent innovation. It is a strong manufacturer of electronic mobile phone jammers. What has already been […]

Our company has been working on cell phone jammer technology and products for many years, and has many patented technologies. The product research and development and production of signal jammer products have even reached more than a dozen types, each of which has a variety of different models, specifications and functional details. Differentiated products, no matter what […]

When we use a cell phone signal jammer, you will find that no matter where you are, as long as you can turn on such a cell phone jammer, then everyone has no way to search for your wireless signal, in other words , Household products are more effective than ordinary public products. In such an […]

Nowadays, the emergence of mobile cell phone jammer has solved many hidden dangers of disrupting the order for the examination room, so that candidates can take the examination in a fair environment. The principle of this test signal jammer is actually to isolate the electronic signal, so that the communication signal of the mobile phone fails, which […]

The trouble of purchasing signal jammers for exams is something that many customers have. At this time, you can come to contact the price of cell phone jammer. It is a manufacturer with many years of high-quality and rich experience in R&D of jammers. It has a first-class team. The technical team provides technical support for […]

Now many schools are busy preparing for the examination room. This is because the most important exam of the year, the college entrance examination is coming soon. Facing this most important exam, many schools are actively preparing what is needed in the exam room, ensuring the normal order of the exam room and meeting the […]

The effective range generated by different powers is different. If it is only a small power, it is generally used in a small open area, which is just enough to meet the size of a classroom. However, if it is required to pass through the wall, it will actually pass through the wall. After that, […]

The price of mobile phone jammers we are talking about is cheaper, not to say that under the premise of affecting the quality, but to say that when the quality is the same, it can really make the price cheaper, then in the process of use can there be more Therefore, everyone needs to understand […]

If you buy a lot of equipment, then don’t go through the dealer, because any dealer will make money, so if you want to make the mobile cell phone jammer cheaper, you should buy it directly from the manufacturer. When you can choose to buy directly from the manufacturer, the more you buy, the more room for […]

The so-called shielding efficiency refers to whether there are blind spots or leaks in the shielding effect. In the vicinity of some prisons, there may be transmitting base stations with strong mobile phone signals. In order to achieve a good shielding effect, it will take a lot of materials and energy accordingly, and the cost […]

Mobile phone addiction is now common, and some children have poor self-control. Installing cell phone jammer can prevent kids from playing with their phones in class and students from ordering takeout programs on their phones. Parents are very worried. They also feel more comfortable. Children are usually in the developmental stages of life. Therefore, premature exposure to […]

Most people use their phones everywhere, whether it’s in theaters, educational institutions, cafes, restaurants, offices, or anywhere else. People today spend most of their time on their phones instead of having fun with their families or focusing on organizational goals. Your phone can help you in many ways, but it also reduces the lives of […]

More and more cell phone jammer devices are used to looking at us, so we need a wireless cell phone jammer. In some cases, this electronic espionage device can put us at risk. Among them, the most dangerous equipment is the cordless telephone equipment. They are installed in various places such as shopping malls, streets, supermarkets, bus […]

With the development of various business activities, the security of business negotiation is particularly important, especially the confidentiality of the meeting content. Therefore, the safety of the office has attracted people’s attention. Don’t worry because you can buy cell phone jammer from here. We are well aware that there are many effective and most important intangible occupations […]

Cell phone jammers are also known as cell phone jammer. This is an anti-mobile device. It can effectively block the mobile phone signal in a certain area and turn off all mobile phones in the area. When turned on, it will start to emit a stronger signal to cover the mobile phone signal, thus shutting down […]

Maybe someone else is listening when we’re discussing very important business contracts, or even when we’re talking about trade secrets. To get us out of dangerous situations and live a safer life, we developed cell phone jammer. Once enabled, you don’t have to worry about hearing more and more sounds. Of course, there are many jammers […]

Now, in our life, the mobile phone is the most important thing. We carry our cell phones with us, and here comes the problem: cell phone noise. Therefore, we have developed a cell phone jammer. Cell phone jammers are suitable for many public places where cell phone ringtones are particularly troublesome. To get us out of […]

In our lives, we are increasingly dependent on a variety of high-tech devices that help us live easier, do things faster, and move more easily. Various high-tech military cell phone jammer devices play an important role in our world. However, while high-tech devices help us, they can also harm us. Some combine cell phone jammers with GPS […]

Displayed by Internet users. That’s a cell phone jammer . In this empty classroom, the power cord was not connected to the signal shield, nor was the switch turned on. Therefore, the reporter’s mobile phone signal is normal, and the network can be used normally. The reporter will also find several floors in the second teaching building, […]

Typically, such cell phone jammer are used for prohibition or unwanted use of mobile phones and the Internet (in offices or conference rooms), and for personal protection of confidential information (for example in private apartments or houses). 2.4 ghz blocker generates radio interference in the GSM 800/900/1800/1900 MHz, 2100Мгц3G, LTE-4G 800/2600 and frequency 2400 MHz bands for […]

In today’s society, mobile phones have increasingly become an indispensable tool in people’s work and life. Now walking on the street, people can see people holding mobile phones everywhere. It is self-evident that the wide application of mobile phones brings convenience in communication, but at the same time, there are many hidden dangers that cannot […]

There are many kinds of products in the domestic electronic mobile cell phone jammer sales market, and the brands are also showing a situation of blooming. So far, we have had twelve years of experience, relying on excellent consumer user evaluation and the professional strength of our own products, we have come a long way. Our company […]

Our company has been working on signal jammer technology and products for many years, and has many patented technologies. The product research and development and production of signal jammer products have even reached more than a dozen types, each of which has a variety of different models, specifications and functional details. Differentiated products, no matter what special […]

Corporate competition is brutal, and many companies fail and fail in the process of competing with others. Therefore, when we are improving the company, we must learn to use different new technology products, so that the progress of our company can be more guaranteed. The product development of small drones can provide our company with […]

In the past few years, various types of mobile signal jammer have emerged in an endless stream, and everyone is dazzled and dizzy, but in fact not all products are suitable for everyone to apply to themselves, some products are public, so do not It is suitable for everyone to use in other fields. There is a […]

Nowadays, the appearance of the shielding device has solved many hidden dangers of disrupting the order for the examination room, so that the candidates can take the examination in a fair environment. The principle of this test mobile phone signal jammer is actually to isolate the electronic signal, so that the communication signal of the […]

The trouble of purchasing signal jammer for exams is something that many customers have. At this time, you can come to contact us for the price of signal jammers. It is a manufacturer with many years of high-quality and rich experience in R&D of jammers. It has a first-class team. The technical team provides technical support for […]

Now many schools are busy preparing for the examination room. This is because the most important exam of the year, the college entrance examination is coming soon. Facing this most important exam, many schools are actively preparing what is needed in the exam room, ensuring the normal order of the exam room and meeting the […]

Mobile and wireless Wi-Fi network jammers are designed to keep you safe, protect your private property space from unwanted phone conversations, eavesdropping on communication channels and information leakage on mobile internet channels, wireless Wi-Fi and Bluetooth networks with the help of Wireless cameras and exploits. Additionally, most wireless devices are blocked from activity when using […]

In school exams, in order to prevent students from using mobile phones to transmit information, leak test papers, and cheat in exams, some also prevent teachers from leaking test paper information on the way to escort the test papers, which will have a bad impact on the later exams. The trouble of purchasing mobile cell phone […]

Midsummer June is about to usher in the high school entrance examination and college entrance examination. In order to ensure the quality of the examination, many schools have already started preparing for the examination room in advance. In the process of preparing for the examination room, there is a very important thing, that is to […]

In order to ensure the best effect of the signal, in general, the installation of more than one meter and less than three meters has the best effect. The cell phone jammer is relatively small and can be fixed on the ceiling or wall with ordinary screws. Of course, it can also be used directly on a […]

Although a mobile phone is a wireless communication device used wherever it goes, there is also an invisible line dragging it, which is the mobile phone base station. Whether a mobile phone makes or receives a call, the first step is to establish a connection with a nearby mobile phone base station. If you hold […]

The entire frequency band of electromagnetic waves ranges from the smallest few Hz to the largest tens of hundreds of GHz. The range is very large. Each segment may be used as a communication signal. However, except for a small number of very professional equipment, ordinary mobile cell phone jammer All of them are “not loud enough” […]

In fact, there is basically no hope for mobile cell phone jammer to make mobile phones cheat, but cheaters can also use their own communication tools. Most of the cheating communication tools sold are of this type). The frequency band used by these illegal communication tools can be selected outside the frequency range of the mobile phone […]

There is a radio monitor that can help with electromagnetic signals in those frequency bands that cell phone jammer don’t care about. Before the start of the test, the signal strength generated by various legal radio wave devices such as mobile phones, radios, and televisions around the test room are recorded in the test room. All the […]

Many domestic electronic mobile phone jammers have a variety of products in the sales market, and the brands are also showing a situation of blooming. So far, we have 12 years of experience. With excellent consumer user evaluation and the professional strength of our own products, we have come a long way. Our company now […]

In the past few years, various types of mobile cell phone jammer have emerged in an endless stream, and everyone is dazzled and dazzled, but in fact not all products are suitable for everyone to use themselves, some products are public, so not It is suitable for everyone to use in other fields. There is a very […]

The wireless signal jammer is mainly used in the examination room, not limited to the examination room, and can also be used in prisons, gas stations, mobile phone bombs, oil depots, liquefied gas stations, detention centers, interrogation rooms, courts, labor camps, conference rooms, theaters, churches, etc. Libraries, school dormitories, special security and confidentiality occasions (confidential […]

Do you like football? Do you like watching football games? Do you like watching FIFA? Then you need a cell phone jammer. Would you be mad if there was a great shot and suddenly your phone near your house rang? Now in our life, the mobile phone is the most important thing, we carry the mobile […]

Do the police really tell us how to monitor and track our phones? Is this correct? good morning everyone! I heard that the ACLU received a certificate that gave police instructions on how to track a cell phone jammer and use it to spy on us. is this real? Documentary evidence received by the American Civil Liberties […]

If the meeting room does not have a pre-installed dark compartment (wall-mounted cassette) reserved for 5G shielding equipment, usually the best advice is to use some wall access or free space in the corner of the meeting room to create a side cabinet. The selection of materials and color matching should be consistent with the […]

When customers buy cell phone jammer, they often think of the need to block cell phone signals in the conference room after completing the overall decoration of the conference room. After the decoration is completed, it is not difficult to choose a mobile phone signal jammer, but how to install it becomes a difficult problem. The […]

However, the news of “possibly a 5G signal shielding vulnerability” immediately caught the attention of the network. Netizens mainly focus on two points: At present, 5G mobile phones and 5G signals are nothing new. Why is there a signal shielding gap in the investigation room involved in the incident? Is this omission an individual case […]

This year is the “Integrity Test Advertising Year” in our province. Before the start of the test, each candidate’s mobile phone received a reminder text message from the State Personnel and Social Security Bureau, reminding them to take the integrity test. According to the person in charge of the National Personnel Examination Institute, a number […]

In the examination room, before purchasing a cell phone jammer, you may wish to conduct an actual test to determine the actual shielding range of the jammer, and then decide how many cell phone jammers you need based on the actual test data. This is very important, otherwise there will be some places that are not […]

But what many people don’t know is that there is such a device, which may seriously affect the effect of the mobile phone signal shielding device, that is, the shielding range. This is a question that all college entrance examination rooms in the school need to consider. what device is this? It is the base […]

Key equipment that has been frequently used in major examination rooms recently. I believe that many people should know the real role of this device. It is a key device vigorously promoted in school examinations, which can effectively prevent and prevent candidates from cheating. That is today’s protagonist: cell phone jammer. There are less than 100 […]

Mobile phone jammer is a new type of environmental protection information security and confidentiality product newly developed by applying modern high technology. The working principle of this product is roughly the same as that of the communication signal source. A fan-shaped shielding space is customized according to the power of the shielding device, and the […]

Protecting privacy and security has always been a topic of debate for us. Friends who often travel to hotels, homestays, and rental houses should always improve their safety awareness and see if they can hide small lenses. Today’s headline hot search#The seller claims to be able to crack all home cameras in batches# This is […]

Secret research sites are prime targets for adversaries and foreign intelligence agencies to steal secrets. Install electronic monitoring, anti-theft, alarm and other safety devices according to actual needs, and strengthen prevention. Anti-espionage activities in secret places avoid eavesdropping by establishing dedicated telephone networks and using optical fiber transmission; building electromagnetic shielding rooms, shielding covers, cell phone […]

In response to the problem of intermediaries using bluetooth speaker jammers, the relevant person in charge of Zhonglian Real Estate admitted that it was really helpless to use such a method, just for “self-protection” and to avoid being robbed by other intermediaries at the last minute. Some major intermediaries also indicated that there are not […]

Now our mobile phone communicates with the base station through the uplink frequency, and then transmits the signal to the mobile switching center to realize the call. In the standby state, the mobile phone communicates with the base station through the broadcast control channel. Once there is a call request, it will be allocated to […]

Faced with a mysterious figure who is frequently active in major examination rooms, I believe that many people do not know its true colors. It is a good helper for the promotion of large and small exams in schools, and can effectively prevent and prevent cheating. – cell phone jammer. Now that the college entrance examination […]

You should keep in mind that wireless networks can never have high security measures because they can be used relatively far outside the building. But the truth is, you can tell who an outside hacker is by looking at your connection speed. The trick is that the weaker the signal, the weaker the connection, so […]

Now WiFi and Bluetooth are frequently used in daily life, whether it is wireless network or the Internet. As useful as they are, they can be used by governments or other agencies to steal your privacy. Such as tracking your location and stealing your privacy through cell phone cameras. Of course, WiFi can pose a […]

Law enforcement agencies, spies and even ordinary people can install a microphone or hidden camera in your office or home and use a WiFi connection to watch and listen to everything you do or say. Not only WiFi and Bluetooth work on the 2.4 GHz frequency, drones and some drones also work. If you don’t […]

Changing technology has also made it easier for people to expose their personal privacy to the public. Recently, a small gsm bug is very popular in the market. It is understood that many buyers have installed such eavesdropping devices on their cars. There are also many who respond to our colleagues who are afraid of […]

It is understood that the gsm bug is only the size of a coin and can be placed in the car or attached to a certain place on the car through a magnetic device. It can record driver conversations without their knowledge. Of course, an eavesdropper might also connect a car battery or a high-capacity […]

In fact, the principle of mobile cell phone jammer is very simple. It is mainly composed of three parts, antenna, special letter mobile phone amplifier, indoor antenna. These three parts form a wireless system to enhance cellular reception. Cell phone jammers are usually relay systems. The receiver system includes an amplifier that increases the gain or power […]

Needless to say, the cell phone jammer on the market can limit the cell phone signal launched by the rocket to within 500 meters, with a radius of > 20 meters. You don’t have to worry about other electronics being affected as it only blocks cell phone signals. When the nearby signal is blocked, the phone will […]

In addition to having a desktop style, there is no doubt that this high-power cell phone jammer can be used indoors and more, as well as in offices and conference rooms to create a peaceful environment. And this high-power 4G mobile phone jammer is designed with high power, so the strong shielding range is of course an […]

Since this cell phone jammer uses a stronger and longer external omnidirectional antenna, it can cut off all transmission frequencies covering the downlink from all directions. This Bluetooth UHF VHF 4G# adopts a new design, good cooling system and cooling fan, which can easily achieve the goal of 24/7 continuous work. Except that many high-power cell phone […]

Generally speaking, the common mobile cell phone jammer on the market can’t really interfere with the recording of the iPhone, mainly because the filter capacitor is added to the recording microphone system of the iPhone, so that the recording function of the iPhone has a relatively strong anti-interference ability. But not all cell phone jammers can’t work […]

Machines and equipment have passed rigorous testing and embrittlement testing before leaving the factory. However, some damage to the mechanical equipment during transportation was not removed. If the customer receives the goods and shakes the machine lightly, please hear the sound of parts falling. Disabled. And contact the agent or manufacturer to facilitate timely maintenance; […]

Radio frequency electromagnetic waves can cause the receiving antenna to generate radio frequency current. Theoretically, if the contact is poor, it will indeed generate RF sparks in the circuit, which can induce gas vapors. Zhang Bin, the fire evidence identification center of the Tianjin Fire Research Institute of the Ministry of Emergency Management, told reporters, […]

What surprised him even more was that when his colleague used mobile phones of other brands, the call quality was not affected, but it was still inconvenient to use the colleague’s mobile phone card on his mobile phone. A colleague of Mr. Zhang also confirmed to reporters that he has often encountered this phenomenon recently, […]

Some large or professional state exams also require cell phone jammer. Mobile phone signal jammers are also inseparable from accidents caused by improper operation of gas stations and gas station personnel. Some detention centers or large and medium-sized prisons also use cell phone signal jammers in order to communicate with the outside world through abnormal means. […]

During the test, there were phenomena such as cheating with the mobile phone when the mobile cell phone jammer was not connected. Play games on your smartphone or send text messages in the classroom. affect student learning. The main purpose of installing cell phone jammers in schools is to use support such as video surveillance. Install cell […]